#include "Target/AMDGPU/AMDGPUTargetMachine.h"

Inheritance diagram for llvm::AMDGPUPassConfig:

[legend]

Public Member Functions
	AMDGPUPassConfig (TargetMachine &TM, PassManagerBase &PM)

AMDGPUTargetMachine &	getAMDGPUTargetMachine () const

ScheduleDAGInstrs *	createMachineScheduler (MachineSchedContext *C) const override
	Create an instance of ScheduleDAGInstrs to be run within the standard MachineScheduler pass for this function and target at the current optimization level.

void	addEarlyCSEOrGVNPass ()

void	addStraightLineScalarOptimizationPasses ()

void	addIRPasses () override
	Add common target configurable passes that perform LLVM IR to IR transforms following machine independent optimization.

void	addCodeGenPrepare () override
	Add pass to prepare the LLVM IR for code generation.

bool	addPreISel () override
	Methods with trivial inline returns are convenient points in the common codegen pass pipeline where targets may insert passes.

bool	addInstSelector () override
	addInstSelector - This method should install an instruction selector pass, which converts from LLVM code to machine instructions.

bool	addGCPasses () override
	addGCPasses - Add late codegen passes that analyze code for garbage collection.

std::unique_ptr< CSEConfigBase >	getCSEConfig () const override
	Returns the CSEConfig object to use for the current optimization level.

bool	isPassEnabled (const cl::opt< bool > &Opt, CodeGenOptLevel Level=CodeGenOptLevel::Default) const
	Check if a pass is enabled given `Opt` option.

Public Member Functions inherited from llvm::TargetPassConfig
	TargetPassConfig (TargetMachine &TM, PassManagerBase &PM)

	TargetPassConfig ()

	~TargetPassConfig () override

template<typename TMC >
TMC &	getTM () const
	Get the right type of TargetMachine for this target.

void	setInitialized ()

CodeGenOptLevel	getOptLevel () const

void	setDisableVerify (bool Disable)

bool	getEnableTailMerge () const

void	setEnableTailMerge (bool Enable)

bool	getEnableSinkAndFold () const

void	setEnableSinkAndFold (bool Enable)

bool	requiresCodeGenSCCOrder () const

void	setRequiresCodeGenSCCOrder (bool Enable=true)

void	substitutePass (AnalysisID StandardID, IdentifyingPassPtr TargetID)
	Allow the target to override a specific pass without overriding the pass pipeline.

void	insertPass (AnalysisID TargetPassID, IdentifyingPassPtr InsertedPassID)
	Insert InsertedPassID pass after TargetPassID pass.

void	enablePass (AnalysisID PassID)
	Allow the target to enable a specific standard pass by default.

void	disablePass (AnalysisID PassID)
	Allow the target to disable a specific standard pass by default.

IdentifyingPassPtr	getPassSubstitution (AnalysisID StandardID) const
	Return the pass substituted for StandardID by the target.

bool	isPassSubstitutedOrOverridden (AnalysisID ID) const
	Return true if the pass has been substituted by the target or overridden on the command line.

bool	getOptimizeRegAlloc () const
	Return true if the optimized regalloc pipeline is enabled.

bool	usingDefaultRegAlloc () const
	Return true if the default global register allocator is in use and has not be overriden on the command line with '-regalloc=...'.

bool	addISelPasses ()
	High level function that adds all passes necessary to go from llvm IR representation to the MI representation.

virtual void	addIRPasses ()
	Add common target configurable passes that perform LLVM IR to IR transforms following machine independent optimization.

void	addPassesToHandleExceptions ()
	Add passes to lower exception handling for the code generator.

virtual void	addCodeGenPrepare ()
	Add pass to prepare the LLVM IR for code generation.

virtual void	addISelPrepare ()
	Add common passes that perform LLVM IR to IR transforms in preparation for instruction selection.

virtual bool	addInstSelector ()
	addInstSelector - This method should install an instruction selector pass, which converts from LLVM code to machine instructions.

virtual bool	addIRTranslator ()
	This method should install an IR translator pass, which converts from LLVM code to machine instructions with possibly generic opcodes.

virtual void	addPreLegalizeMachineIR ()
	This method may be implemented by targets that want to run passes immediately before legalization.

virtual bool	addLegalizeMachineIR ()
	This method should install a legalize pass, which converts the instruction sequence into one that can be selected by the target.

virtual void	addPreRegBankSelect ()
	This method may be implemented by targets that want to run passes immediately before the register bank selection.

virtual bool	addRegBankSelect ()
	This method should install a register bank selector pass, which assigns register banks to virtual registers without a register class or register banks.

virtual void	addPreGlobalInstructionSelect ()
	This method may be implemented by targets that want to run passes immediately before the (global) instruction selection.

virtual bool	addGlobalInstructionSelect ()
	This method should install a (global) instruction selector pass, which converts possibly generic instructions to fully target-specific instructions, thereby constraining all generic virtual registers to register classes.

virtual void	addMachinePasses ()
	Add the complete, standard set of LLVM CodeGen passes.

virtual ScheduleDAGInstrs *	createMachineScheduler (MachineSchedContext *C) const
	Create an instance of ScheduleDAGInstrs to be run within the standard MachineScheduler pass for this function and target at the current optimization level.

virtual ScheduleDAGInstrs *	createPostMachineScheduler (MachineSchedContext *C) const
	Similar to createMachineScheduler but used when postRA machine scheduling is enabled.

void	printAndVerify (const std::string &Banner)
	printAndVerify - Add a pass to dump then verify the machine function, if those steps are enabled.

void	addPrintPass (const std::string &Banner)
	Add a pass to print the machine function if printing is enabled.

void	addVerifyPass (const std::string &Banner)
	Add a pass to perform basic verification of the machine function if verification is enabled.

void	addDebugifyPass ()
	Add a pass to add synthesized debug info to the MIR.

void	addStripDebugPass ()
	Add a pass to remove debug info from the MIR.

void	addCheckDebugPass ()
	Add a pass to check synthesized debug info for MIR.

void	addMachinePrePasses (bool AllowDebugify=true)
	Add standard passes before a pass that's about to be added.

void	addMachinePostPasses (const std::string &Banner)
	Add standard passes after a pass that has just been added.

bool	isGlobalISelAbortEnabled () const
	Check whether or not GlobalISel should abort on error.

virtual bool	reportDiagnosticWhenGlobalISelFallback () const
	Check whether or not a diagnostic should be emitted when GlobalISel uses the fallback path.

virtual bool	isGISelCSEEnabled () const
	Check whether continuous CSE should be enabled in GISel passes.

virtual std::unique_ptr< CSEConfigBase >	getCSEConfig () const
	Returns the CSEConfig object to use for the current optimization level.

Public Member Functions inherited from llvm::ImmutablePass
	ImmutablePass (char &pid)

	~ImmutablePass () override

virtual void	initializePass ()
	initializePass - This method may be overriden by immutable passes to allow them to perform various initialization actions they require.

ImmutablePass *	getAsImmutablePass () override

bool	runOnModule (Module &) override
	ImmutablePasses are never run.

Public Member Functions inherited from llvm::ModulePass
	ModulePass (char &pid)

	~ModulePass () override

Pass *	createPrinterPass (raw_ostream &OS, const std::string &Banner) const override
	createPrinterPass - Get a module printer pass.

virtual bool	runOnModule (Module &M)=0
	runOnModule - Virtual method overriden by subclasses to process the module being operated on.

void	assignPassManager (PMStack &PMS, PassManagerType T) override
	Find appropriate Module Pass Manager in the PM Stack and add self into that manager.

PassManagerType	getPotentialPassManagerType () const override
	Return what kind of Pass Manager can manage this pass.

Public Member Functions inherited from llvm::Pass
	Pass (PassKind K, char &pid)

	Pass (const Pass &)=delete

Pass &	operator= (const Pass &)=delete

virtual	~Pass ()

PassKind	getPassKind () const

virtual StringRef	getPassName () const
	getPassName - Return a nice clean name for a pass.

AnalysisID	getPassID () const
	getPassID - Return the PassID number that corresponds to this pass.

virtual bool	doInitialization (Module &)
	doInitialization - Virtual method overridden by subclasses to do any necessary initialization before any pass is run.

virtual bool	doFinalization (Module &)
	doFinalization - Virtual method overriden by subclasses to do any necessary clean up after all passes have run.

virtual void	print (raw_ostream &OS, const Module *M) const
	print - Print out the internal state of the pass.

void	dump () const

virtual Pass *	createPrinterPass (raw_ostream &OS, const std::string &Banner) const =0
	createPrinterPass - Get a Pass appropriate to print the IR this pass operates on (Module, Function or MachineFunction).

virtual void	assignPassManager (PMStack &, PassManagerType)
	Each pass is responsible for assigning a pass manager to itself.

virtual void	preparePassManager (PMStack &)
	Check if available pass managers are suitable for this pass or not.

virtual PassManagerType	getPotentialPassManagerType () const
	Return what kind of Pass Manager can manage this pass.

void	setResolver (AnalysisResolver *AR)

AnalysisResolver *	getResolver () const

virtual void	getAnalysisUsage (AnalysisUsage &) const
	getAnalysisUsage - This function should be overriden by passes that need analysis information to do their job.

virtual void	releaseMemory ()
	releaseMemory() - This member can be implemented by a pass if it wants to be able to release its memory when it is no longer needed.

virtual void *	getAdjustedAnalysisPointer (AnalysisID ID)
	getAdjustedAnalysisPointer - This method is used when a pass implements an analysis interface through multiple inheritance.

virtual ImmutablePass *	getAsImmutablePass ()

virtual PMDataManager *	getAsPMDataManager ()

virtual void	verifyAnalysis () const
	verifyAnalysis() - This member can be implemented by a analysis pass to check state of analysis information.

virtual void	dumpPassStructure (unsigned Offset=0)

template<typename AnalysisType >
AnalysisType *	getAnalysisIfAvailable () const
	getAnalysisIfAvailable<AnalysisType>() - Subclasses use this function to get analysis information that might be around, for example to update it.

bool	mustPreserveAnalysisID (char &AID) const
	mustPreserveAnalysisID - This method serves the same function as getAnalysisIfAvailable, but works if you just have an AnalysisID.

template<typename AnalysisType >
AnalysisType &	getAnalysis () const
	getAnalysis<AnalysisType>() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function.

template<typename AnalysisType >
AnalysisType &	getAnalysis (Function &F, bool *Changed=nullptr)
	getAnalysis<AnalysisType>() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function.

template<typename AnalysisType >
AnalysisType &	getAnalysisID (AnalysisID PI) const

template<typename AnalysisType >
AnalysisType &	getAnalysisID (AnalysisID PI, Function &F, bool *Changed=nullptr)

Additional Inherited Members
Static Public Member Functions inherited from llvm::TargetPassConfig
static bool	hasLimitedCodeGenPipeline ()
	Returns true if one of the `-start-after`, `-start-before`, `-stop-after` or `-stop-before` options is set.

static bool	willCompleteCodeGenPipeline ()
	Returns true if none of the `-stop-before` and `-stop-after` options is set.

static std::string	getLimitedCodeGenPipelineReason ()
	If hasLimitedCodeGenPipeline is true, this method returns a string with the name of the options that caused this pipeline to be limited.

static Expected< StartStopInfo >	getStartStopInfo (PassInstrumentationCallbacks &PIC)
	Returns pass name in `-stop-before` or `-stop-after` NOTE: New pass manager migration only.

Static Public Member Functions inherited from llvm::Pass
static const PassInfo *	lookupPassInfo (const void *TI)

static const PassInfo *	lookupPassInfo (StringRef Arg)

static Pass *	createPass (AnalysisID ID)

Static Public Attributes inherited from llvm::TargetPassConfig
static char	ID

Protected Member Functions inherited from llvm::TargetPassConfig
bool	addCoreISelPasses ()
	Add the actual instruction selection passes.

void	setOpt (bool &Opt, bool Val)

bool	isCustomizedRegAlloc ()
	Return true if register allocator is specified by -regalloc=override.

virtual bool	addPreISel ()
	Methods with trivial inline returns are convenient points in the common codegen pass pipeline where targets may insert passes.

virtual void	addMachineSSAOptimization ()
	addMachineSSAOptimization - Add standard passes that optimize machine instructions in SSA form.

virtual bool	addILPOpts ()
	Add passes that optimize instruction level parallelism for out-of-order targets.

virtual void	addPreRegAlloc ()
	This method may be implemented by targets that want to run passes immediately before register allocation.

virtual FunctionPass *	createTargetRegisterAllocator (bool Optimized)
	createTargetRegisterAllocator - Create the register allocator pass for this target at the current optimization level.

virtual void	addFastRegAlloc ()
	addFastRegAlloc - Add the minimum set of target-independent passes that are required for fast register allocation.

virtual void	addOptimizedRegAlloc ()
	addOptimizedRegAlloc - Add passes related to register allocation.

virtual bool	addPreRewrite ()
	addPreRewrite - Add passes to the optimized register allocation pipeline after register allocation is complete, but before virtual registers are rewritten to physical registers.

virtual bool	addPostFastRegAllocRewrite ()
	addPostFastRegAllocRewrite - Add passes to the optimized register allocation pipeline after fast register allocation is complete.

virtual void	addPostRewrite ()
	Add passes to be run immediately after virtual registers are rewritten to physical registers.

virtual void	addPostRegAlloc ()
	This method may be implemented by targets that want to run passes after register allocation pass pipeline but before prolog-epilog insertion.

virtual void	addMachineLateOptimization ()
	Add passes that optimize machine instructions after register allocation.

virtual void	addPreSched2 ()
	This method may be implemented by targets that want to run passes after prolog-epilog insertion and before the second instruction scheduling pass.

virtual bool	addGCPasses ()
	addGCPasses - Add late codegen passes that analyze code for garbage collection.

virtual void	addBlockPlacement ()
	Add standard basic block placement passes.

virtual void	addPreEmitPass ()
	This pass may be implemented by targets that want to run passes immediately before machine code is emitted.

virtual void	addPostBBSections ()
	This pass may be implemented by targets that want to run passes immediately after basic block sections are assigned.

virtual void	addPreEmitPass2 ()
	Targets may add passes immediately before machine code is emitted in this callback.

AnalysisID	addPass (AnalysisID PassID)
	Utilities for targets to add passes to the pass manager.

void	addPass (Pass *P)
	Add a pass to the PassManager if that pass is supposed to be run, as determined by the StartAfter and StopAfter options.

virtual FunctionPass *	createRegAllocPass (bool Optimized)
	addMachinePasses helper to create the target-selected or overriden regalloc pass.

virtual bool	addRegAssignAndRewriteFast ()
	Add core register allocator passes which do the actual register assignment and rewriting.

virtual bool	addRegAssignAndRewriteOptimized ()

Protected Member Functions inherited from llvm::ModulePass
bool	skipModule (Module &M) const
	Optional passes call this function to check whether the pass should be skipped.

Protected Attributes inherited from llvm::TargetPassConfig
TargetMachine *	TM

PassConfigImpl *	Impl = nullptr

bool	Initialized = false

bool	DisableVerify = false

bool	EnableTailMerge = true
	Default setting for -enable-tail-merge on this target.

bool	EnableSinkAndFold = false
	Enable sinking of instructions in MachineSink where a computation can be folded into the addressing mode of a memory load/store instruction or replace a copy.

bool	RequireCodeGenSCCOrder = false
	Require processing of functions such that callees are generated before callers.

bool	EnableLoopTermFold = false
	Enable LoopTermFold immediately after LSR.

Detailed Description

Definition at line 124 of file AMDGPUTargetMachine.h.

Constructor & Destructor Documentation

◆ AMDGPUPassConfig()

AMDGPUPassConfig::AMDGPUPassConfig	(	TargetMachine &	TM,
		PassManagerBase &	PM
	)

Definition at line 1108 of file AMDGPUTargetMachine.cpp.

References llvm::TargetPassConfig::disablePass(), llvm::FuncletLayoutID, llvm::GCLoweringID, llvm::ShadowStackGCLoweringID, and llvm::StackMapLivenessID.

Member Function Documentation

◆ addCodeGenPrepare()

void AMDGPUPassConfig::addCodeGenPrepare ( )

overridevirtual

Add pass to prepare the LLVM IR for code generation.

This should be done before exception handling preparation passes.

Reimplemented from llvm::TargetPassConfig.

Definition at line 1242 of file AMDGPUTargetMachine.cpp.

References llvm::TargetPassConfig::addCodeGenPrepare(), llvm::TargetPassConfig::addPass(), llvm::Triple::amdgcn, llvm::createAMDGPUAnnotateKernelFeaturesPass(), llvm::createAMDGPULowerBufferFatPointersPass(), llvm::createAMDGPULowerKernelArgumentsPass(), llvm::createLoadStoreVectorizerPass(), llvm::createLowerSwitchPass(), EnableLoadStoreVectorizer, EnableLowerKernelArguments, llvm::Triple::getArch(), llvm::TargetMachine::getTargetTriple(), isPassEnabled(), and llvm::TargetPassConfig::TM.

◆ addEarlyCSEOrGVNPass()

void AMDGPUPassConfig::addEarlyCSEOrGVNPass ( )

Definition at line 1119 of file AMDGPUTargetMachine.cpp.

References llvm::TargetPassConfig::addPass(), llvm::Aggressive, llvm::createEarlyCSEPass(), llvm::createGVNPass(), and llvm::TargetPassConfig::getOptLevel().

Referenced by addIRPasses(), and addStraightLineScalarOptimizationPasses().

◆ addGCPasses()

bool AMDGPUPassConfig::addGCPasses ( )

overridevirtual

addGCPasses - Add late codegen passes that analyze code for garbage collection.

Add standard GC passes.

This should return true if GC info should be printed after these passes.

Reimplemented from llvm::TargetPassConfig.

Definition at line 1299 of file AMDGPUTargetMachine.cpp.

◆ addInstSelector()

bool AMDGPUPassConfig::addInstSelector ( )

overridevirtual

addInstSelector - This method should install an instruction selector pass, which converts from LLVM code to machine instructions.

Reimplemented from llvm::TargetPassConfig.

Definition at line 1294 of file AMDGPUTargetMachine.cpp.

References llvm::TargetPassConfig::addPass(), llvm::createAMDGPUISelDag(), getAMDGPUTargetMachine(), and llvm::TargetPassConfig::getOptLevel().

◆ addIRPasses()

void AMDGPUPassConfig::addIRPasses ( )

overridevirtual

Add common target configurable passes that perform LLVM IR to IR transforms following machine independent optimization.

Reimplemented from llvm::TargetPassConfig.

Definition at line 1143 of file AMDGPUTargetMachine.cpp.

◆ addPreISel()

bool AMDGPUPassConfig::addPreISel ( )

overridevirtual

Methods with trivial inline returns are convenient points in the common codegen pass pipeline where targets may insert passes.

Methods with out-of-line standard implementations are major CodeGen stages called by addMachinePasses. Some targets may override major stages when inserting passes is insufficient, but maintaining overriden stages is more work. addPreISelPasses - This method should add any "last minute" LLVM->LLVM passes (which are run just before instruction selector).

Reimplemented from llvm::TargetPassConfig.

Definition at line 1288 of file AMDGPUTargetMachine.cpp.

References llvm::TargetPassConfig::addPass(), llvm::createFlattenCFGPass(), llvm::TargetMachine::getOptLevel(), llvm::None, and llvm::TargetPassConfig::TM.

◆ addStraightLineScalarOptimizationPasses()

void AMDGPUPassConfig::addStraightLineScalarOptimizationPasses ( )

Definition at line 1126 of file AMDGPUTargetMachine.cpp.

References addEarlyCSEOrGVNPass(), llvm::TargetPassConfig::addPass(), llvm::Aggressive, llvm::createEarlyCSEPass(), llvm::createLoopDataPrefetchPass(), llvm::createNaryReassociatePass(), llvm::createSeparateConstOffsetFromGEPPass(), llvm::createStraightLineStrengthReducePass(), EnableLoopPrefetch, and isPassEnabled().

Referenced by addIRPasses().

◆ createMachineScheduler()

llvm::ScheduleDAGInstrs * AMDGPUPassConfig::createMachineScheduler ( MachineSchedContext * C ) const

overridevirtual

Create an instance of ScheduleDAGInstrs to be run within the standard MachineScheduler pass for this function and target at the current optimization level.

This can also be used to plug a new MachineSchedStrategy into an instance of the standard ScheduleDAGMI: return new ScheduleDAGMI(C, std::make_unique<MyStrategy>(C), /*RemoveKillFlags=*‍/false)

Return NULL to select the default (generic) machine scheduler.

Reimplemented from llvm::TargetPassConfig.

Definition at line 1305 of file AMDGPUTargetMachine.cpp.

References llvm::CallingConv::C, llvm::createGenericSchedLive(), llvm::createLoadClusterDAGMutation(), and llvm::createStoreClusterDAGMutation().

◆ getAMDGPUTargetMachine()

AMDGPUTargetMachine & llvm::AMDGPUPassConfig::getAMDGPUTargetMachine ( ) const

inline

Definition at line 128 of file AMDGPUTargetMachine.h.

Referenced by addInstSelector(), and addIRPasses().

◆ getCSEConfig()

std::unique_ptr< CSEConfigBase > llvm::AMDGPUPassConfig::getCSEConfig ( ) const

overridevirtual

Returns the CSEConfig object to use for the current optimization level.

Reimplemented from llvm::TargetPassConfig.

Definition at line 1037 of file AMDGPUTargetMachine.cpp.

References llvm::TargetMachine::getOptLevel(), llvm::getStandardCSEConfigForOpt(), and llvm::TargetPassConfig::TM.

◆ isPassEnabled()

bool llvm::AMDGPUPassConfig::isPassEnabled	(	const cl::opt< bool > &	Opt,
		CodeGenOptLevel	Level = `CodeGenOptLevel::Default`
	)		const

inline

Check if a pass is enabled given Opt option.

The option always overrides defaults if explicitly used. Otherwise its default will be used given that a pass shall work at an optimization Level minimum.

Definition at line 149 of file AMDGPUTargetMachine.h.

References llvm::cl::Option::getNumOccurrences(), llvm::TargetMachine::getOptLevel(), and llvm::TargetPassConfig::TM.

Referenced by addCodeGenPrepare(), addIRPasses(), and addStraightLineScalarOptimizationPasses().

The documentation for this class was generated from the following files:

lib/Target/AMDGPU/AMDGPUTargetMachine.h
lib/Target/AMDGPU/AMDGPUTargetMachine.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ AMDGPUPassConfig()

Member Function Documentation

◆ addCodeGenPrepare()

◆ addEarlyCSEOrGVNPass()

◆ addGCPasses()

◆ addInstSelector()

◆ addIRPasses()

◆ addPreISel()

◆ addStraightLineScalarOptimizationPasses()

◆ createMachineScheduler()

◆ getAMDGPUTargetMachine()

◆ getCSEConfig()

◆ isPassEnabled()